Pontiac

This kit gives you everything you need ahead of the mufflers.

Kit includes:
Short mandrel bent headpipes
Flanges
X-over Kit
Ball & Cone adapters
Fit/install instructions

Available in 2.5" or 3.0". The Ball & Cone adapters are a great feature which allow easy installation and removal making access for maintenance a cinch. It also allows you to remove from your car after welding for any custom coating or painting. Only the superior quality RARE crossover components are provided in our kits. Learn More

BOOST THE TORQUE AND HP OF YOUR 04 GTO WITH OUR 2.5" ALUMINIZED X-OVER CAT-BACK SYSTEM. INCLUDES ALL THE INSTALL HARDWARE AND STAINLESS TIPS FOR REAR OR SIDE EXIT GTOs. HIGH-FLOW SPIN-TECH MUFFLERS GIVE AN AGGRESSIVE EXHAUST NOTE AT ALL RPMs.

CHROME DUAL OVAL SPLITTERS AND ALL HARDWARE TO HANG SYSTEM IS INCLUDED. Learn More

OUR "OFF ROAD" COMPLETE SYSTEM FOR 04-06 GTOs INCLUDES OUR FAMOUS X-CROSSOVER AND HIGH-FLOW CATS AND HIGH-FLOW SPIN TECH MUFFLERS. (PHOTO DOESN'T SHOW CATS AND FORWARD PIPES IN THIS KIT)

ON A STOCK GTO THIS SYSTEM RESULTS IN 30 ADDITIONAL HORSEPOWER AND +35 FT/LBS OF TORQUE. THIS IS A 2.5" ALUMINIZED SYSTEM WITH REAR OR SIDE EXIT OPTIONS AND DIFFERENT STAINLESS TIP OPTIONS. SELECT BELOW

YOU MUST STATE YOUR YEAR MODEL IN ORDER COMMENTS Learn More

BOOST THE TORQUE AND HP OF YOUR 05-06 GTO WITH OUR 3.0" ALUMINIZED X-OVER CAT-BACK SYSTEM. INCLUDES ALL THE INSTALL HARDWARE AND STAINLESS TIPS FOR SIDE OR REAR EXIT GTOs. HIGH-FLOW SPIN-TECH MUFFLERS GIVE AN AGGRESSIVE EXHAUST NOTE AT ALL RPMs. PHOTO OF STAINLESS TIPS (4") SHOWN WHEN YOU CLICK ON PHOTO.

SELECT YOUR TIP STYLE AND EXIT STYLE. PLEASE NOTE YOUR YEAR MODEL IN ORDER COMMENTS.

(3" ONLY AVAILABLE FOR 05-06 MODELS) SHIPPING WT APPROX 78 LBS. Learn More

BOOST THE TORQUE AND HP OF YOUR 05-06 GTO WITH OUR 2.5" ALUMINIZED X-OVER CAT-BACK SYSTEM. INCLUDES ALL THE INSTALL HARDWARE AND STAINLESS TIPS FOR REAR OR SIDE EXIT GTOs. HIGH-FLOW SPIN-TECH MUFFLERS GIVE AN AGGRESSIVE EXHAUST NOTE AT ALL RPMs.

SELECT TIPS AND EXIT STYLE BELOW. PLEASE NOTE YOUR YEAR IN ORDER COMMENTS. CAN BE USED ON 04 GTOs WITH DUAL CUTOUTS IN BUMPER FOR REAR EXIT WITH TIPS.

SHIPPING WT APPROX 78 LBS. Learn More

All complete systems include your choice of mufflers (Delta Design, Goerlich, or SpinTech...see muffler section for details), all gaskets, flanges, reducer cones when needed and install instructions.

Systems with x-over include ball & cone connectors (a needed item for x-systems...position ahead of mufflers). Also includes cone adapter and flanges for connecting to your headers. Specify header collector diameter in "order comments" when checking out.

Use with aftermarket tube headers (FULL LENGTH HEADERS ONLY--for systems that work with Shortie Headers order UESYS-1).

Only superior RARE x-over components are used in our systems!

Tailpipes are thick-wall 14 ga. aluminized steel or mandrel bent 16ga.

All components are made in the USA. Learn More

All complete systems include your choice of mufflers...Delta Design, Goerlich, or SpinTech. See Muffler section for detail.

This systems includes aluminized or stainless steel, 14ga, 2.25" or 2.5" full length headpipes and tailpipes. Also included are 6 clamps and required hangers.

Use with Long Branch or Super Long Branch factory headers - all B-body '60-'70, all Firebird '67-'69, all X-body, and Grand Prix '69 only.

All components are made in the USA. Learn More

Use with Long Branch factory headers - fits all B-body '64-'70, all Firebird '67-'69, all X-body, and Grand Prix '69 only. ORDER WITH FACTORY HEADERS AND GET $25.00 OFF!

All complete systems include LB flanges, hangers , your choice of mufflers (Turbo, Goerlich, or SpinTech), 6 clamps and install instructions. FB use short case mufflers only.

Systems with x-over include ball & cone connectors (a needed item for x-systems...position ahead of mufflers).

Only superior RARE x-over components are used in our systems!

Tailpipes are thick-wall 14 ga. aluminized steel or mandrel bent 16ga.

All components are made in the USA. Learn More

Use with R/A or H/O factory headers - fits all GTO (except '74), all Firebird after '69, all Grand Prix after '69, all Big Car after '70. ORDER WITH FACTORY HEADERS AND GET $25.00 OFF

All complete systems includeRA flanges & your choice of mufflers (Goerlich, or SpinTech..see muffler section for details), 4 clamps & hangers & install instructions. (a word about flanges: we make the strongest and best fitting flanges in the market. Cost of poor quality is poor fit...case-in-point: the oversized flanges available from our competitors and also in aluminum. If they don't break the oversized corners may hit the frame in various applications )

Systems with x-over include ball & cone connectors (a needed item for x-systems...position ahead of mufflers). Mandrel bent headpipes and x-over tubes.

Only superior RARE x-over components are used in our systems! Our X-crossover creates more torque on same car test than all the other brands which are merely 2 elbows welded together. Our X is designed by Nascar and OEM GM supplier .

Tailpipes are thick-wall 14 ga. aluminized steel or mandrel bent 16ga.

All components are made in the USA. Learn More